51929991

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{20681}}^1$

素因数の和:20724

約数の個数: 20

約数和(自身を含む): 80080704

約数和(自身を除く): 28150713

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 20681, 62043, 186129, 558387, 641111, 1675161, 1923333, 5769999, 17309997, 51929991]

約数ペア:

[(1, 51929991), (3, 17309997), (9, 5769999), (27, 1923333), (31, 1675161), (81, 641111), (93, 558387), (279, 186129), (837, 62043), (2511, 20681)]